.leftNav {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;

    ul {
        height: 97%;
        width: 92%;
        display: flex;
        flex-direction: column;
        align-items: center;
        background-color: #0F2046;




        li {
            width: 197px;
            height: 38px;
            text-align: center;
            line-height: 38px;
            color: white;
            font-size: 14px;
            background-color: #1B3057;
            margin-bottom: 10px;
            cursor: pointer;

            &:first-child {
                margin-top: 18px;
            }



        }

        &>.shoActive {
            background: linear-gradient(90deg, #1B2F56, #12254F);

        }

        &>.show {
            background-image: url('../../assets/images/leftNav.png');
            background-size: '53%';
        }



    }

    .exceedLength {
        overflow-y: scroll;




    }

    /*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
    ::-webkit-scrollbar {
        background-color: #1A305A;
        // width: 10px;
    }

    /*定义滚动条轨道 内阴影+圆角*/
    ::-webkit-scrollbar-track {
        -webkit-box-shadow: inset 0 0 6px 6px rgba(50, 92, 151, 0.178);
        border-radius: 10px;
        background-color: #0F2046;
    }

    /*定义滑块 内阴影+圆角*/
    ::-webkit-scrollbar-thumb {
        border-radius: 10px;
        -webkit-box-shadow: inset 0 0 6px 6px rgba(1, 11, 20, 0.3);
        background-color: #3d5591;
    }



}